class ChangingSongs < ActiveRecord::Migration
  def self.up
    change_table :songs do |t|
      t.integer :song_collection_id
    end

    drop_table :song_versions
   
    create_table :song_collection do |t|
      t.string :name
    end

    add_foreign_key(:songs, :song_collection, :column => :song_collection_id)
  end

  def self.down
  end
end
